171056167 has 4 divisors (see below), whose sum is σ = 171203416. Its totient is φ = 170908920.

The previous prime is 171056113. The next prime is 171056177. The reversal of 171056167 is 761650171.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171056167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171056177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71868 + ... + 74209.

It is an arithmetic number, because the mean of its divisors is an integer number (42800854).

Almost surely, 2^171056167 is an apocalyptic number.

171056167 is a deficient number, since it is larger than the sum of its proper divisors (147249).

171056167 is a wasteful number, since it uses less digits than its factorization.

171056167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147248.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 171056167 is about 13078.8442532205. The cubic root of 171056167 is about 555.1106745711.

The spelling of 171056167 in words is "one hundred seventy-one million, fifty-six thousand, one hundred sixty-seven".